<!DOCTYPE html>
<html>
  <head>
      <meta charset="UTF-8">
      <title>关闭多窗口</title>
      <script src="event.js"></script>
  </head>
  <body>
  <button onclick="onClick_Close()">关闭当前窗口</button>
  <p/>
  <button onclick="onClick_CreateMultiWindows()">创建多个窗口</button>
  <p/>
  <button onclick="onClick_CloseAllWindows()">关闭所有的窗口</button>

  </body>
</html>
